Quote:
Originally Posted by doughboy
DME is the engine management module. If you update that you will lose any remap and block BM3 and all OBD remap tools.
Where did you learn it was ok to update DME?
Are you using BM3 now?
FEM is related to lighting so could be relevant.
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Yes, I understand all of this. And Halim, the one who makes the bm3 tunes for our cars, told me the update only loses access for M2C. M2 is fine. Source:
https://f87.bimmerpost.com/forums/sh....php?t=1626757